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434680801 = 208492
BaseRepresentation
bin11001111010001…
…011001111100001
31010021221001221221
4121322023033201
51342234241201
6111044415041
713525503652
oct3172131741
91107831857
10434680801
11203403135
121016a7481
136c094c99
1441a31529
15282644a1
hex19e8b3e1

434680801 has 3 divisors (see below), whose sum is σ = 434701651. Its totient is φ = 434659952.

The previous prime is 434680783. The next prime is 434680817. The reversal of 434680801 is 108086434.

The square root of 434680801 is 20849.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 401962401 + 32718400 = 20049^2 + 5720^2 .

It is not a de Polignac number, because 434680801 - 215 = 434648033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434680891) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 10425 + ... + 31273.

Almost surely, 2434680801 is an apocalyptic number.

434680801 is the 20849-th square number.

434680801 is the 10425-th centered octagonal number.

It is an amenable number.

434680801 is a deficient number, since it is larger than the sum of its proper divisors (20850).

434680801 is an frugal number, since it uses more digits than its factorization.

434680801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41698 (or 20849 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The cubic root of 434680801 is about 757.5131090907.

The spelling of 434680801 in words is "four hundred thirty-four million, six hundred eighty thousand, eight hundred one".

Divisors: 1 20849 434680801